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Gas-powered liquid desiccant dehumidifier

Author

Listed:
  • Rix, J.
  • Nevrala, D.
  • Chauvet, L.
  • Probert, S.D.

Abstract

A novel concept for the operation of a liquid desiccant domestic-dehumidifier has been proposed: the resulting developed system dehumidifies air by passing it directly over a liquid desiccant. The system is novel in two respects: first, a bubble pump is used to both reconcentrate the desiccant as well as pump it around the system; secondly, air is drawn through the device by natural convection, rather than mechanical ventilation. Thus, the system can be powered by a high-temperature heat source alone, thereby avoiding the use of electricity. This proof-of-concept system has been constructed and tested in a humid environment: it has a dehumidification rate of approximately 800 ml/day for a power input of 235 W from a gas burner. This experimental project confirms the feasibility of the proposed dehumidification concept, and suggests that the performance of the system could be improved substantially as a result of further developments. The inherent simplicity, absence of moving parts, and quietness of operation are the system's main advantages.

Suggested Citation

  • Rix, J. & Nevrala, D. & Chauvet, L. & Probert, S.D., 1993. "Gas-powered liquid desiccant dehumidifier," Applied Energy, Elsevier, vol. 45(2), pages 167-180.
    • Handle: RePEc:eee:appene:v:45:y:1993:i:2:p:167-180
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    Cited by:

    1. Luo, Yimo & Yang, Hongxing & Lu, Lin, 2014. "Dynamic and microscopic simulation of the counter-current flow in a liquid desiccant dehumidifier," Applied Energy, Elsevier, vol. 136(C), pages 1018-1025.

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